Race 10 at PRX on September 21, 2013

The stage was set for the biggest day of the year at Parx Racing when entries were taken and post positions drawn Sept. 19 for the Cotillion Stakes (gr. I) and Pennsylvania Derby (gr. II), which anchor a five stakes program Sept. 24.

Fox Hill Farms' undefeated Songbird logged her final serious work at Santa Anita Park Sept. 18 before her Sept. 19 flight east, where she is scheduled to start in the Sept. 24 Cotillion Stakes (gr. I) at Parx Racing.

Cathryn Sophia went off favored at 1-9 in a field of six for the Princess of Sylmar, and turned in a text-book run, with jockey Paco Lopez perched motionless in the saddle en route to a 6 1/2-length victory.

Fox Hill Farms' undefeated champion Songbird, now settled back in at her home base in Southern California following a pair of grade I wins at Saratoga Race Course, put in her first workout Aug. 31 in preparation for the $1 million Cotillion (gr. I).